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| #! /bin/sh | |
| if [ "$1" = "namenode" ] | |
| then | |
| start-dfs.sh | |
| elif [ "$1" = "datanode" ] | |
| then | |
| netstat -na | grep 50010 -q ; | |
| if [ $? -eq 1 ] | |
| then | |
| echo "next" | |
| wget http://hdfs/hadoop.tar.gz | |
| tar xvf hadoop* | |
| cd hadoop* | |
| ./bin/hdfs datanode | |
| else | |
| exit | |
| fi | |
| elif [ "$1" = "clearHDFS" ] | |
| then | |
| sudo rm -rf /app/hadoop/tmp | |
| sudo mkdir -p /app/hadoop/tmp | |
| sudo chown node /app/hadoop/tmp | |
| fi |
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